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WebSphere Developer Domain: Understanding Web Services

Aug 22, 2003, 07:00 (0 Talkback[s])
(Other stories by Arthur Ryman)

"Then e-businesses wanted to integrate their processes with other e-businesses, so the Service Web was created. The Service Web is powered by Web application servers that speak Simple Object Access Protocol (SOAP), and deliver information marked up in Extensible Markup Language (XML). Today, the Service Web is in its adolescence. We are currently witnessing the rapid maturation and deployment of a stack of interrelated standards that are defining the infrastructure for the Service Web.

"The building block of the Service Web is the Web service, a set of related application functions that can be programmatically invoked over the Internet. The information that an application must have in order to programmatically invoke a Web service is given by a Web Services Description Language (WSDL) document. WSDL documents can be indexed in searchable Universal Description, Discovery, and Integration (UDDI) Business Registries so that developers and applications can locate Web services.

"This article describes the Service Web, outlines the key standards of SOAP, WSDL, and UDDI, and discusses new tools for developing Web services. Armed with this information, you should be able to understand how Web services can enhance your business and how you can begin developing them..."

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